Best Alertness Apps

AlertMeter

by Predictive Safety SRP, Inc.

Free

This app helps identify when fatigue, illness, medication, or distraction may impact cognitive function. It allows individuals to regularly test their alertness levels, providing companies with a daily overview of employees in critical roles. The app is designed to respect employee privacy while assessing fitness for work.

PVT WorkFit

by Pulsar Informatics

Free

This app administers the Psychomotor Vigilance Test (PVT) to objectively measure alertness and reduce workplace risks. It is scientifically validated and unaffected by individual differences, providing immediate performance scores for real-time decision-making.

Fatigue Meter App

by Pulsar Informatics Inc

Free

This app helps employees assess their fatigue levels during operations by creating schedule scenarios and performing validated alertness assessments. It includes the gold-standard Psychomotor Vigilance Test and synchronizes data automatically.

sleep-2-Peak, sleep need tool

Get YOUR sleep, Give your BEST

Free

This tool helps you understand your body's natural sleep needs and circadian rhythm. Measure alertness variations with simple tests to optimize your daily schedule for peak performance and wellbeing. Export your data for personal use or research.

CrewAlert

by Jeppesen Systems AB

Free

This app helps airline professionals and crew manage fatigue risk by predicting and analyzing alertness levels. It offers tools for proactive and reactive fatigue reporting, risk reduction, and data collection, built on a scientific alertness model.

Nature Melody — Soothing, Calming, and Relaxing Sounds to Relieve Stress and Help Sleep Better (Free)

by Lina Elsayed

Free

Wake up gently and fall asleep faster with soothing nature sounds. This app offers a variety of high-quality, looped natural soundscapes to help calm your mind, reduce stress, and improve sleep quality. It functions as an alarm clock, sleep timer, and background sound player.

Capybara: Loud Alarm Clock

Math Puzzles & Sleep Recorder

Free

This smart sleep tracker uses AI to analyze your sleep patterns via your phone's microphone. It identifies sleep phases, tracks sleep debt, records nighttime sounds, and offers a unique alarm to ensure you wake up. Enjoy personalized recommendations and detailed sleep statistics.

Alarm Clock Sleep Sounds Plus

Waking Up Cycle & Meditation

Free

This app is a progressive wake-up and sleep-aid alarm clock designed to improve sleep quality and promote a refreshed awakening. It offers guided meditations, sleep programs, and various brainwave entrainment options to help users fall asleep faster and wake up feeling energized. It can also be used for meditation, yoga, or power naps.

Circadian: Sleep & Energy

Body Clock & Smart Alarm

Free

This app analyzes your sleep, heart rate, and workouts to predict your daily energy levels and optimal sleep times. It provides personalized insights and real-time updates via widgets and Apple Watch complications.

Aviation Fatigue Meter

Fatigue study data collection

Free

This app allows aviation professionals to assess their fatigue levels during flight operations using validated alertness tests and customized surveys. Data is automatically synchronized securely for fatigue risk management.

CogniTrack: Reaction Time Test

Track And Stay Sharp!

Free

Measure your mental alertness with a scientifically validated reaction time test. Track changes in focus and fatigue throughout the day to understand your cognitive performance and make informed decisions about rest and routines.

Sleep Time: Cycle Alarm Clock

Smart Bedtime Timer & Tracker

Free

This app helps you fall asleep, stay asleep, and wake up refreshed with advanced sleep cycle analysis and a smart alarm. It offers detailed sleep tracking, soundscapes, and integration with Apple Health.